205458580

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{13679}}^1$

素因数の和:14439

約数の個数: 24

約数和(自身を含む): 432069120

約数和(自身を除く): 226610540

約数列:

[1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 7510, 13679, 15020, 27358, 54716, 68395, 136790, 273580, 10272929, 20545858, 41091716, 51364645, 102729290, 205458580]

約数ペア:

[(1, 205458580), (2, 102729290), (4, 51364645), (5, 41091716), (10, 20545858), (20, 10272929), (751, 273580), (1502, 136790), (3004, 68395), (3755, 54716), (7510, 27358), (13679, 15020)]